Maxcom - M28D

Frequency: GSM 900MHz/ 1800MHz, LCD Display: B & W display with Backlight, 128 x 64 Dot Matrix with Icons, 15 adjustable level of LCD contrast, General Specifications: Support SIM card read and write, Call Holding, Speed Dialing Function, Handsfree and Speaker Phone, Last Number Redial function, Phonebook: 100 entries, Memories for the last 20 sets of Incoming calls, 20 sets missed calls, 11 selectable ring tones with adjustable ringer volume control, 7 levels of adjustable voice volume, SMS Functions with 100 memories of SMS of incoming and outgoing SMS, Date and Clock Display with Timer and Alarm function, Call log for 20 groups of received calls, outgoing calls and missed calls, Indication for reception power and capacity of battery power, Fixed antenna, External antenna (optional), Network Dependent, Caller ID, 3 parties conference call, Call Forwarding and Call Barring function, AC/DC Adaptor, Input Voltage : 220V AC, Input Frequency: 50 Hz, Output Voltage: DC 5V1000mA, Internal Back-Up Battery :Rechargeable battery:3x 1.2V AAA600 mAH, Talk /Standby Time :2 Hrs/ 120 Hrs, Charging Time :8 Hrs